Yanmar YDG Series, Operation Manual

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PERIODIC MAINTENANCE
52
YDG Operation Manual
. 8. Dispose of used oil properly.
NOTICE
Always be environmentally responsible. Follow
the guidelines of the governmental agencies for
the proper disposal of hazardous materials such
as engine oil, diesel fuel and engine coolant.
Consult the local authorities or reclamation
facility. Never dispose of hazardous materials by
dumping them into a sewer, on the ground or into
ground water or waterways.
9. Inspect engine oil filter. See Clean/inspect
engine oil filter on page 53 .
10. Add engine oil until the level is between the
upper (2, Figure 33 ) and lower (3, Figure 33 )
lines on the oil cap/dipstick (1, Figure 33 ) . See
Adding Engine Oil on page 30 .
NOTICE
Never overfill. Overfilling may result in white
exhaust smoke, engine overspeed or internal
damage.
Figure 33
11. Warm up the engine by running it for five
minutes and check for any engine oil leaks.
12. After engine is warm, shut it off and let it sit for
10 minutes.
13. Recheck the engine oil level by reinserting the
oil cap/dipstick into the crankcase and turn
clockwise for one-half revolution to engage the
first thread in the crankcase opening.
See
Checking Engine Oil on page 29 .
14. Add oil if necessary.
NOTICE
Always keep the oil level between the upper and
lower lines on the oil cap/dipstick.
15. Replace the oil cap/dipstick and tighten by
hand. Over-tightening may damage the cap. If
any engine oil is spilled, wipe it away with a
clean cloth.
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